Skip to main content
Home
Retro - Commodore Business Machines

Main navigation

  • Home
  • Store
  • History of Commodore Business Machines
  • Carlsen's Nuggets
    • 1541 Drives
      • 1541 Reading Disk Drive Errors and what they mean (Manual Appendix B)
      • 1541 CHIPS VS SYMPTOMS - PCB# 1540050 (early version) with ALPS drive mechanism
      • 1541 CHIPS VS SYMPTOMS - PCB# 251830 or 251777 with Newtronics drive mechanism (1984)
      • 1541 DRIVE POWERS UP AND RESETS OK, Thats it..
      • 1541 DRIVE SUDDENLY WILL NOT READ DISKS OR LOAD PROGRAMS
      • 1541 Drive powers up and resets normally, Spindle Motor Runs, No Red LED
      • 1541 MISCELLANEOUS FIXES
      • 1541 PROGRAMS FAIL TO LOAD COMPLETELY OR COMPUTER LOCKS UP
      • 1541 SOME ODD FAILURES
  • Product Support
    • Commodore C64 DIY Diagnostic and Dead Test Cartridge and Harness Kit Assembly Instructions
User account menu
  • Log in

Breadcrumb

  1. Home

1541 Drive powers up and resets normally, Spindle Motor Runs, No Red LED

Managed ad

By justin, 23 January, 2024

Drive powers up and resets normally, but if LOAD is attempted, spindle motor runs with red LED out. Screen displays "SEARCHING FOR ..." and stepper does not move. 

  • UE6 74LS193 LOGIC (BINARY COUNTER) 
  • UD4 9602 (8602) LOGIC (MMV) no sub with later board 74LS123!

Tags

  • 1541 troubleshooting
  • 1541 repair
  • Log in to post comments

Comments

Managed ad

RSS feed
Powered by Drupal